526 lines
22 KiB
Python
Executable File
526 lines
22 KiB
Python
Executable File
#!/usr/bin/env python3
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import logging
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from typing import Optional, List, Dict
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import argparse
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import re
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import subprocess
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import abc
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import atexit
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from pathlib import Path
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import os
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class RgbColor():
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red: int
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green: int
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blue: int
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def __init__(self, red: int, green: int, blue: int):
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self.red = red
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self.green = green
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self.blue = blue
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def __str__(self):
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return f'[{self.red}, {self.green}, {self.blue}]'
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UserId = str # eg 'root'
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HostId = str # eg alambix50.ipr.univ-rennes.fr or alambix50
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TermProfileName = str # terminal profile name eg 'alambix50.ipr.univ-rennes.fr'
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TermProfileUuid = str # eg '2e0dec33-5ec2-4355-b671-7922010cee9f'
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class SshTarget():
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user_id: Optional[UserId]
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host_id: HostId
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# eg root@alambix50.ipr.univ-rennes.fr
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def __init__(self, ssh_target_as_str: str):
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parts = ssh_target_as_str.split('@')
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assert len(parts) > 0 and len(parts) <= 2, "malformed ssh target : {ssh_target}. It is expected to be of the form [<user_id>@]<host_id>"
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self.host_id = parts[-1] # eg 'alambix50.ipr.univ-rennes.fr'
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self.user_id = None
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if len(parts) > 1:
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self.user_id = parts[0]
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assert re.match(r'^[a-z]+$', self.user_id), f'malformed user id : {self.user_id}'
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def __str__(self) -> str:
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target_as_str = f'{self.host_id}'
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if self.user_id:
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target_as_str = f'{self.user_id}@{target_as_str}'
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return target_as_str
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TerminalLabel: str # label used as the title and the color profile of the terminal
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class ITerminalLauncher(abc.ABC):
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@abc.abstractmethod
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def launch_terminal(self, terminal_label: TerminalLabel, bg_color: RgbColor, command: List[str]):
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'''
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terminal_label: eg 'alambix50.ipr.univ-rennes.fr'
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command: the command to execute in the terminal eg ['/usr/bin/ssh', 'root@alambix50.ipr.univ-rennes.fr']
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'''
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OsxWindowId = str
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class DarwinTerminalLauncher(ITerminalLauncher):
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'''
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macos terminal launcher
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'''
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THIS_OSX_TERM_WINDOW_ID = None
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SOLARIZED_BACKGROUND = RgbColor( 0 / 256, 8256 / 256, 10368 / 256) # '{0, 8256, 10368}' #002b36 (solarized dark base03)
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SAILOR_BLUE = RgbColor( 8832 / 256, 14208 / 256, 18816 / 256) # '{8832, 14208, 18816}' # 2e4a62
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PRUNE = RgbColor(15360 / 256, 10944 / 256, 14592 / 256) # '{15360, 10944, 14592}' #50394c
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TAUPE = RgbColor(19968 / 256, 18816 / 256, 16512 / 256) # '{19968, 18816, 16512}' #686256
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DARK_ORANGE = RgbColor(27456 / 256, 12864 / 256, 0 / 256) # '{27456, 12864, 0}' #8f4300
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DARK_OLIVE = RgbColor( 8832 / 256, 11904 / 256, 5568 / 256) # '{8832, 11904, 5568}' #2e3e1d
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@staticmethod
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def get_current_terminal_window_id() -> OsxWindowId:
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# local terminal_windows_id=''
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# terminal_windows_id=$(osascript -e "tell application \"Terminal\" to get id of window 1")
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# echo "$terminal_windows_id"
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osacommand = 'tell application "Terminal" to get id of window 1'
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command = ['osascript', '-e', osacommand]
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proc = subprocess.run(command, check=True, stdout=subprocess.PIPE)
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lines = proc.stdout.decode('utf8').split('\n')
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assert len(lines) == 2
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window_id = lines[0]
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return window_id
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@staticmethod
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def color_as_osx_str(color: RgbColor) -> str:
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'''
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SOLARIZED_BACKGROUND = '{0, 8256, 10368}'
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'''
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return '{%d, %d, %d}' % (color.red * 256, color.green * 256, color.blue * 256)
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@staticmethod
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def set_bg(window_id: OsxWindowId, color: RgbColor):
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# window_id
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# color: eg {45000, 0, 0, 50000}
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osacommand = f'tell application "Terminal" to set background color of (every window whose id is {window_id}) to {DarwinTerminalLauncher.color_as_osx_str()}'
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command = ['osascript', '-e', osacommand]
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subprocess.run(command, check=True)
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@staticmethod
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def on_exit():
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DarwinTerminalLauncher.set_bg(DarwinTerminalLauncher.THIS_OSX_TERM_WINDOW_ID, DarwinTerminalLauncher.SOLARIZED_BACKGROUND)
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def launch_terminal(self, terminal_label: TerminalLabel, bg_color: RgbColor, command: List[str]):
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'''
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command: the command to execute in the terminal eg ['/usr/bin/ssh', f'{str(ssh_target)}']
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'''
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raise NotImplementedError()
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DarwinTerminalLauncher.THIS_OSX_TERM_WINDOW_ID = DarwinTerminalLauncher.get_current_terminal_window_id()
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# echo "THIS_OSX_TERM_WINDOW_ID=$THIS_OSX_TERM_WINDOW_ID"
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DarwinTerminalLauncher.set_bg(THIS_OSX_TERM_WINDOW_ID, bg_color)
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# make cssh restore the default terminal color when exiting
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atexit.register(DarwinTerminalLauncher.on_exit)
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# /usr/bin/ssh "$@"
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subprocess.run(command, check=True)
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def is_valid_uuid(uuid: str) -> bool:
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'''
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uuid: eg 'b1dcc9dd-5262-4d8d-a863-c897e6d979b9'
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'''
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m = re.match(r'^[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]-[0-9a-f][0-9a-f][0-9a-f][0-9a-f]-[0-9a-f][0-9a-f][0-9a-f][0-9a-f]-[0-9a-f][0-9a-f][0-9a-f][0-9a-f]-[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]$', uuid)
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return m is not None
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GSettingsKeyPath = str # eg org.gnome.Terminal.ProfilesList
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class GnomeSettings():
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def get_list(self, key_id: GSettingsKeyPath) -> List[str]:
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# 20260616-17:34:08 graffy@graffy-ws2:~$ gsettings get org.gnome.Terminal.ProfilesList list
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# ['b1dcc9dd-5262-4d8d-a863-c897e6d979b9', '2e0dec33-5ec2-4355-b671-7922010cee9f']
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proc = subprocess.run(['gsettings', 'get', key_id, 'list'], check=True, stdout=subprocess.PIPE)
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lines = proc.stdout.decode('utf8').split('\n')
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values = []
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assert len(lines) == 2
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m = re.match(r'^\[(?P<series_of_strings>[^]]*)\]$', lines[0])
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assert m is not None
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series_of_strings = m['series_of_strings']
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logging.debug('get_list: series_of_strings = %s', str(series_of_strings))
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strings = series_of_strings.split(', ')
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for s in strings:
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m = re.match(r"'(?P<unquoted_string>[^']*)'", s)
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assert m is not None
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values.append(m['unquoted_string'])
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logging.debug('get_list: values = %s', str(values))
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return values
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def set_list(self, key_id: GSettingsKeyPath, value: List[str]):
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# gsettings set org.gnome.Terminal.ProfilesList list "$(echo "$CURRENT_LIST" | tr -d "[]" | sed "s/$/,$PROFILE_ID/")"
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value_as_str = ','.join([f"'{unq_str}'" for unq_str in value])
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logging.debug('value_as_str = "%s"', value_as_str)
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subprocess.run(['gsettings', 'set', key_id, 'list', f"[{value_as_str}]"], check=True)
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def register_profile_uuid(self, profile_uuid: TermProfileUuid):
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'''
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profile_uuid: eg '2e0dec33-5ec2-4355-b671-7922010cee9f'
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'''
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assert is_valid_uuid(profile_uuid), f'invalid uuid: "{profile_uuid}"'
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profiles_key_id = 'org.gnome.Terminal.ProfilesList'
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profile_uuids = self.get_list(profiles_key_id)
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assert profile_uuid not in profile_uuids
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profile_uuids.append(profile_uuid)
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self.set_list(profiles_key_id, profile_uuids) # side effect: this adds the dconf key "/org/gnome/terminal/legacy/profiles:/list"
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class GnomeTerminal():
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DCONF_PROFILES_PATH = '/org/gnome/terminal/legacy/profiles:'
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# DCONF_PROFILES_PATH='/org/gnome/terminal/legacy/profiles:'
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@staticmethod
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def create_new_profile(profile_name: TermProfileName) -> TermProfileUuid:
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'''
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copied from https://askubuntu.com/questions/270469/how-can-i-create-a-new-profile-for-gnome-terminal-via- command-line
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'''
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# 20260616-16:24:12 graffy@graffy-ws2:~$ dconf list '/org/gnome/terminal/legacy/profiles:/'
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# :2a05665f-baa7-484e-b179-4e94f3814238/
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# :2e0dec33-5ec2-4355-b671-7922010cee9f/
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# last command status : [0]
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old_profile_uuids = GnomeTerminal.get_term_profiles()
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# local profile_ids=($(dconf list $DCONF_PROFILES_PATH/ | grep ^: |\
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# sed 's/\///g' | sed 's/://g'))
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# local profile_name="$1"
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# local profile_ids_old="$(dconf read "$DCONF_PROFILES_PATH"/list | tr -d "]")"
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proc = subprocess.run(['uuidgen'], check=True, stdout=subprocess.PIPE)
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lines = proc.stdout.decode('utf8').split('\n')
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assert len(lines) == 2
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profile_uuid = lines[0]
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m = re.match(r'^[a-z0-9\-]+$', profile_uuid)
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logging.info("creating profile profile_uuid=%s with profile_name=%s", profile_uuid, profile_name)
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# echo "new_profiles_list=$new_profiles_list"
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# dconf write $DCONF_PROFILES_PATH/list "$new_profiles_list"
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proc = subprocess.run(['dconf', 'write', f"{GnomeTerminal.DCONF_PROFILES_PATH}/:{profile_uuid}/visible-name", f"'{profile_name}'"], check=True)
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# dconf write /org/gnome/terminal/legacy/profiles:/:dc932a58-6a38-4511-876a-d453b5e33a26/visible-name "'toto'"
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if True:
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# check that the profile was successfully created
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assert GnomeTerminal.get_term_profile_name(profile_uuid) == profile_name
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existing_profile_uuid = GnomeTerminal.get_terminal_profile_uuid(profile_name)
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assert existing_profile_uuid is not None, f'failed to find the profile for name {profile_name}, it is expected to be {profile_uuid}'
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assert existing_profile_uuid == profile_uuid
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gsettings = GnomeSettings()
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gsettings.register_profile_uuid(profile_uuid)
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return profile_uuid
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@staticmethod
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def get_term_profiles() -> List[TermProfileUuid]:
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proc = subprocess.run(['dconf', 'list', f"{GnomeTerminal.DCONF_PROFILES_PATH}/"], check=True, stdout=subprocess.PIPE)
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profile_uuids = []
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for line in proc.stdout.decode('utf8').split('\n'):
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# eg ':b1dcc9dd-5262-4d8d-a863-c897e6d979b9/'
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m = re.match(r'^:(?P<uuid>[0-9a-f\-]+)/$', line)
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if m is None:
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assert line in ['list', ''], f'unexpected format for line: {line}'
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else:
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profile_uuids.append(m['uuid'])
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return profile_uuids
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@staticmethod
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def get_term_profile_name(profile_uuid: TermProfileUuid) -> Optional[TermProfileName]:
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profile_name = None
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proc = subprocess.run(['dconf', 'read', f"{GnomeTerminal.DCONF_PROFILES_PATH}/:{profile_uuid}/visible-name"], check=True, stdout=subprocess.PIPE)
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lines = proc.stdout.decode('utf8').split('\n')
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if (len(lines) >= 2):
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assert len(lines) == 2, lines
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assert lines[1] == ''
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m = re.match(r"^\'(?P<profile_name>[^']+)'$", lines[0])
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assert m, f'unexpected line : {line}'
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profile_name = m['profile_name']
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else:
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logging.debug('name lines for profile %s : %s', profile_uuid, str(lines))
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pass # (the default profile has no name)
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#assert False, f'unexpected case: the terminal profile profile_uuid={profile_uuid} has no name!!!'
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return profile_name
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@staticmethod
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def get_terminal_profile_uuid(profile_name: TermProfileName) -> TermProfileUuid:
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'''
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returns the id of the profile which has the given name.
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if the named profile doesn't exist, it creates it first
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local profile_name="$1" # eg physix.ipr.univ-rennes1.fr
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'''
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profile_uuid = None
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for profile_uuid in GnomeTerminal.get_term_profiles():
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logging.debug(f'processing profile_uuid={profile_uuid}')
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prof_name = GnomeTerminal.get_term_profile_name(profile_uuid)
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logging.debug('profile_uuid = %s, prof_name = %s', profile_uuid, prof_name)
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if profile_name == prof_name:
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return profile_uuid
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logging.info('the profile named %s doesnt exist... create it then', profile_name)
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GnomeTerminal.check_validity()
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profile_uuid = GnomeTerminal.create_new_profile(profile_name)
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GnomeTerminal.check_validity()
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return profile_uuid
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@staticmethod
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def set_terminal_profile_bg_color(profile_name: TermProfileName, bg_color: RgbColor):
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# function set_terminal_profile_bg_color()
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# profile_name # eg physix.ipr.univ-rennes1.fr
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# bg_color # eg RgbColor(17, 25, 24)
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logging.debug('setting color for profile %s : %s', profile_name, str(bg_color))
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profile_uuid = GnomeTerminal.get_terminal_profile_uuid(profile_name)
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logging.debug("profile_name=%s profile_uuid=%s", profile_name, profile_uuid)
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fg_color = RgbColor(255, 255, 255)
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subprocess.run(['dconf', 'write', f"{GnomeTerminal.DCONF_PROFILES_PATH}/:{profile_uuid}/use-theme-colors", 'false'], check=True, stdout=subprocess.PIPE)
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subprocess.run(['dconf', 'write', f"{GnomeTerminal.DCONF_PROFILES_PATH}/:{profile_uuid}/background-color", f"'rgb({bg_color.red}, {bg_color.green}, {bg_color.blue})'"], check=True, stdout=subprocess.PIPE)
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subprocess.run(['dconf', 'write', f"{GnomeTerminal.DCONF_PROFILES_PATH}/:{profile_uuid}/foreground-color", f"'rgb({fg_color.red}, {fg_color.green}, {fg_color.blue})'"], check=True, stdout=subprocess.PIPE)
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@staticmethod
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def delete_term_profile(profile_uuid: TermProfileUuid):
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# dconf reset -f /org/gnome/terminal/legacy/profiles:/2a05665f-baa7-484e-b179-4e94f3814238
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logging.warning('deleting terminal profile %s', profile_uuid)
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subprocess.run(['dconf', 'reset', '-f', f"{GnomeTerminal.DCONF_PROFILES_PATH}/:{profile_uuid}/"], check=True)
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@staticmethod
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def delete_all_term_profiles():
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for term_profile_uuid in GnomeTerminal.get_term_profiles():
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GnomeTerminal.delete_term_profile(term_profile_uuid)
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subprocess.run(['dconf', 'reset', '-f', f"{GnomeTerminal.DCONF_PROFILES_PATH}/list"], check=True)
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@staticmethod
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def check_validity():
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proc = subprocess.run(['dconf', 'list', f"{GnomeTerminal.DCONF_PROFILES_PATH}/"], check=True, stdout=subprocess.PIPE)
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profile_uuids = []
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for line in proc.stdout.decode('utf8').split('\n'):
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m = re.match(r'^:(?P<uuid>[0-9a-f\-]+)/$', line)
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if m:
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uuid = m['uuid']
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assert is_valid_uuid(uuid)
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else:
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assert line in ['list', ''], f'unexpected key: {line}'
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class GnomeTerminalLauncher(ITerminalLauncher):
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def launch_terminal(self, terminal_label: TerminalLabel, bg_color: RgbColor, command: List[str]):
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'''
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command: the command to execute in the terminal eg ['/usr/bin/ssh', f'{str(ssh_target)}']
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'''
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if False: # deleting the term profiles affects the already open terminals, that then switch to default colors
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# delete all profiles to delete the broken ones and the duplicates
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GnomeTerminal.delete_all_term_profiles()
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GnomeTerminal.set_terminal_profile_bg_color(terminal_label, bg_color)
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profile_uuid = GnomeTerminal.get_terminal_profile_uuid(terminal_label)
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logging.info('using terminal profile %s (uuid=%s)', terminal_label, profile_uuid)
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launch_term_command = ['gnome-terminal', f'--window-with-profile={profile_uuid}', f'--title={terminal_label}', '--'] + command
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logging.debug('launch_term_command = %s', launch_term_command)
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subprocess.run(launch_term_command, check=True)
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def is_valid_host_fqdn(host_fqdn: str) -> bool:
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m = re.match(r'^[a-z0-9.\-]+$', host_fqdn)
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return m is not None
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def get_host_real_fqdn(host_id: HostId) -> HostId:
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# 20260617-11:47:29 graffy@graffy-ws2:~/work/graffyworkenv.git$ host alambix.ipr.univ-rennes.fr
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# alambix.ipr.univ-rennes.fr is an alias for alambix-frontal.ipr.univ-rennes.fr.
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# alambix-frontal.ipr.univ-rennes.fr has address 129.20.27.230
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# last command status : [0]
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command = "host %s | tail -1 | awk '{print $1}'" % host_id
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proc = subprocess.run(command, shell=True, check=True, stdout=subprocess.PIPE)
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lines = proc.stdout.decode('utf8').split('\n')
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host_real_fqdn = lines[0]
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assert is_valid_host_fqdn(host_real_fqdn), f'invalid host name: {host_real_fqdn}'
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return host_real_fqdn
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class SshHostConfig():
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'''
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Host flique-macpro6.tunnel
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hostname flique-macpro6.ipr.univ-rennes1.fr
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user francois
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ProxyCommand ssh graffy@tunnel1.ipr.univ-rennes1.fr nc %h %p 2> /dev/null
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Host physix-frontal.ipr.univ-rennes1.fr
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hostname physix-frontal.ipr.univ-rennes1.fr
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user graffy
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IdentityFile ~/.ssh/homekey
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Host gpgpu
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hostname physix58.ipr.univ-rennes1.fr
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ProxyCommand ssh -i ~/.ssh/homekey graffy@physix.ipr.univ-rennes1.fr nc %h %p 2> /dev/null
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IdentityFile ~/.ssh/homekey
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Host gpu-p100
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hostname physix90.ipr.univ-rennes1.fr
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ProxyCommand ssh -i ~/.ssh/homekey graffy@physix.ipr.univ-rennes1.fr nc %h %p 2> /dev/null
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IdentityFile ~/.ssh/homekey
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Host cloud.tunnel
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hostname cloud.ipr.univ-rennes.fr
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ProxyCommand ssh graffy@tunnel1.ipr.univ-rennes.fr nc %h %p 2> /dev/null
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Host adminpod-1.tunnel
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hostname adminpod-1.ipr.univ-rennes.fr
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ProxyCommand ssh graffy@tunnel1.ipr.univ-rennes1.fr nc %h %p 2> /dev/null
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Host mazinger.tunnel
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hostname mazinger.ipr.univ-rennes.fr
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ProxyCommand ssh graffy@tunnel1.ipr.univ-rennes1.fr nc %h %p 2> /dev/null
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# git.ipr.univ-rennes.fr
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Host vmipr-p1 git
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hostname vmipr-p1.univ-rennes.fr
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User graffy
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IdentityFile ~/.ssh/id_ed25519
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'''
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names: List[SshHostConfigId] # eg ['vmipr-p1', 'git']
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attrs: Dict[SshHostConfigAttr, str] # eg {'hostname': 'vmipr-p1.univ-rennes.fr', 'User': 'graffy', 'IdentityFile': '~/.ssh/id_ed25519'}
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def __init__(self):
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self.names = []
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self.attrs = {}
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class SshConfig():
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host_configs = List[SshHostConfig]
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def __init__(self):
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self.host_configs = []
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def get_host_name(self, host_config_id) -> Optional[str]:
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host_name = None
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for host_conf in self.host_configs:
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if host_config_id in host_conf.names:
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host_name = host_conf.attrs['hostname']
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break
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return host_name
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def parse_ssh_config(ssh_config_file_path) -> SshConfig:
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ssh_config = SshConfig()
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with open(ssh_config_file_path, 'rt', encoding='utf8') as f:
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for line in f.readlines():
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logging.debug('line = %s', line)
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# skip comments
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if re.match(r'^\s*#.*$', line):
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continue
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match = re.match(r'^\s*(?P<attr_name>[^\s]+)\s+(?P<attr_value>.*)$', line)
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if match:
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# Host vmipr-p1 git
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# hostname vmipr-p1.univ-rennes.fr
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# User graffy
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# IdentityFile ~/.ssh/id_ed25519
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attr_name = match['attr_name'].lower()
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attr_value = match['attr_value']
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logging.debug('attr_name = %s', attr_name)
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if attr_name == 'host':
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host_config_ids = attr_value.split(' ')
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ssh_config.host_configs.append(SshHostConfig())
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ssh_config.host_configs[-1].names = host_config_ids
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else:
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ssh_config.host_configs[-1].attrs[attr_name] = attr_value
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continue
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return ssh_config
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def main():
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logging.basicConfig(level=logging.INFO)
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arg_parser = argparse.ArgumentParser('cssh (colored ssh) opens a terminal window with a background color that depends on the fully qualified domain name of the target machine')
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arg_parser.add_argument('ssh_target', help='eg root@alambix50.ipr.univ-rennes.fr')
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args = arg_parser.parse_args()
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logging.debug(args)
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ssh_target = SshTarget(args.ssh_target) # eg 'root@alambix50.ipr.univ-rennes.fr'
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ssh_config_file_path: Path = Path(os.getenv('HOME')) / '.ssh' / 'config'
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host_real_name = None
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if ssh_config_file_path.exists():
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ssh_config = parse_ssh_config(ssh_config_file_path)
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hn = ssh_config.get_host_name(ssh_target.host_id)
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if hn:
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host_real_name = hn
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if host_real_name is None:
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host_real_name = get_host_real_fqdn(ssh_target.host_id)
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logging.debug('host_real_name = %s', host_real_name)
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logging.debug('ssh_target.host_id = %s', ssh_target.host_id)
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# AS_ROOT='false'
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# if [ "$(echo $@ | grep '^root@' > /dev/null)" ]
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# then
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# AS_ROOT='true'
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# fi
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# if [ $(echo $HOST_FQDN | grep '^simpatix') ]
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# then
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# BG_COLOR="$SAILOR_BLUE"
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# elif [ $(echo $HOST_FQDN | grep '^physix') ]
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# then
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# BG_COLOR="$TAUPE"
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# else
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# case $HOST_FQDN in
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# 'pr079234.spm.univ-rennes1.fr')
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# BG_COLOR="$SOLARIZED_BACKGROUND"
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# ;;
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# 'puppet3.ipr.univ-rennes1.fr')
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# BG_COLOR="$PRUNE"
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# ;;
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# *)
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# BG_COLOR="$DARK_OLIVE"
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# ;;
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# esac
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# fi
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#if [ "$AS_ROOT" = 'true' ]
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#then
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# BG_COLOR="$DARK_ORANGE"
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#fi
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color_saturation = 0.3
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color_value = 0.2
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proc = subprocess.run(['uname'], check=True, stdout=subprocess.PIPE)
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os_name = proc.stdout.decode('utf8').strip()
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terminal_launcher: Optional[ITerminalLauncher] = None
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if os_name == 'Darwin':
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terminal_launcher = DarwinTerminalLauncher()
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elif os_name == 'Linux':
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|
terminal_launcher = GnomeTerminalLauncher()
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else:
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raise NotImplementedError(f'unhandled os : "{os_name}"')
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proc = subprocess.run(['make_color.py', host_real_name, str(color_value), str(color_saturation), 'linux'], check=True, stdout=subprocess.PIPE)
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bg_color_as_str = proc.stdout.decode('utf8').strip()
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match = re.match(r'\((?P<red>[0-9]+), (?P<green>[0-9]+), (?P<blue>[0-9]+)\)', bg_color_as_str)
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assert match, f'unexpected color as string: {bg_color_as_str}'
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bg_color = RgbColor(match['red'], match['green'], match['blue'])
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logging.debug('bg_color = %s', str(bg_color)) # eg (35, 43, 51)
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command = ['/usr/bin/ssh', f'{str(ssh_target)}']
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terminal_launcher.launch_terminal(terminal_label=ssh_target.host_id, bg_color=bg_color, command=command)
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main() |